#!/usr/bin/env python # -*- coding: utf-8 -*- # This is a simple echo bot using decorators and webhook with flask # It echoes any incoming text messages and does not use the polling method. import flask import telebot import logging API_TOKEN = '' WEBHOOK_HOST = '' WEBHOOK_PORT = 8443 # 443, 80, 88 or 8443 (port need to be 'open') WEBHOOK_LISTEN = '0.0.0.0' # In some VPS you may need to put here the IP addr WEBHOOK_SSL_CERT = './webhook_cert.pem' # Path to the ssl certificate WEBHOOK_SSL_PRIV = './webhook_pkey.pem' # Path to the ssl private key # Quick'n'dirty SSL certificate generation: # # openssl genrsa -out webhook_pkey.pem 2048 # openssl req -new -x509 -days 3650 -key webhook_pkey.pem -out webhook_cert.pem # # When asked for "Common Name (e.g. server FQDN or YOUR name)" you should reply # with the same value in you put in WEBHOOK_HOST WEBHOOK_URL_BASE = "https://%s:%s" % (WEBHOOK_HOST, WEBHOOK_PORT) WEBHOOK_URL_PATH = "/%s/" % (API_TOKEN) logger = telebot.logger telebot.logger.setLevel(logging.INFO) bot = telebot.TeleBot(API_TOKEN) app = flask.Flask(__name__) # Empty webserver index, return nothing, just http 200 @app.route('/', methods=['GET', 'HEAD']) def index(): return '' # Process webhook calls @app.route(WEBHOOK_URL_PATH, methods=['POST']) def webhook(): if flask.request.headers.get('content-type') == 'application/json': json_string = flask.request.get_data().encode('utf-8') update = telebot.types.Update.de_json(json_string) bot.process_new_messages([update.message]) return '' else: flask.abort(403) # Handle '/start' and '/help' @bot.message_handler(commands=['help', 'start']) def send_welcome(message): bot.reply_to(message, ("Hi there, I am EchoBot.\n" "I am here to echo your kind words back to you.")) # Handle all other messages @bot.message_handler(func=lambda message: True, content_types=['text']) def echo_message(message): bot.reply_to(message, message.text) # Remove webhook, it fails sometimes the set if there is a previous webhook bot.remove_webhook() # Set webhook bot.set_webhook(url=WEBHOOK_URL_BASE+WEBHOOK_URL_PATH, certificate=open(WEBHOOK_SSL_CERT, 'r')) # Start flask server app.run(host=WEBHOOK_LISTEN, port=WEBHOOK_PORT, ssl_context=(WEBHOOK_SSL_CERT, WEBHOOK_SSL_PRIV), debug=True)